The Cole County Public Works Department has announced that Zion Road, just south of the intersection of Oakridge Road, will be closed Thursday.
A contractor for the county will be replacing the crossroad pipe under the road at that location.
Motorists are asked to avoid the area while the work takes place.
It's anticipated that this section of road will only be closed, Thursday.
Meanwhile, the whole gravel portion of Zion is currently under construction and open to local traffic only.
This work is part of the county's gravel road upgrade process will make this portion of Zion an asphalt surface by next year.